capabilities: full integration (#151)

* format/pktline: fix readPayloadLen err handling

* protocol/pakp: UploadReq validation and creation of capabilities

* protocol/pakp: AdvRef tests

* protocol/pakp: capability.List.Delete

* protocol: filter unsupported capabilities

* remote capability negociation

* transport: UploadRequest validation

* requested changes

1 files changed, 42 insertions, 0 deletions

diff --git a/plumbing/protocol/packp/uppackreq_test.go b/plumbing/protocol/packp/uppackreq_test.go
new file mode 100644
index 0000000..75b75b4
--- /dev/null
+++ b/plumbing/protocol/packp/uppackreq_test.go
@@ -0,0 +1,42 @@
+package packp
+
+import (
+	"gopkg.in/src-d/go-git.v4/plumbing"
+	"gopkg.in/src-d/go-git.v4/plumbing/protocol/packp/capability"
+
+	. "gopkg.in/check.v1"
+)
+
+type UploadPackRequestSuite struct{}
+
+var _ = Suite(&UploadPackRequestSuite{})
+
+func (s *UploadPackRequestSuite) TestNewUploadPackRequestFromCapabilities(c *C) {
+	cap := capability.NewList()
+	cap.Set(capability.Agent, "foo")
+
+	r := NewUploadPackRequestFromCapabilities(cap)
+	c.Assert(r.Capabilities.String(), Equals, "agent=go-git/4.x")
+}
+
+func (s *UploadPackRequestSuite) TestIsEmpty(c *C) {
+	r := NewUploadPackRequest()
+	r.Wants = append(r.Wants, plumbing.NewHash("d82f291cde9987322c8a0c81a325e1ba6159684c"))
+	r.Wants = append(r.Wants, plumbing.NewHash("2b41ef280fdb67a9b250678686a0c3e03b0a9989"))
+	r.Haves = append(r.Haves, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
+
+	c.Assert(r.IsEmpty(), Equals, false)
+
+	r = NewUploadPackRequest()
+	r.Wants = append(r.Wants, plumbing.NewHash("d82f291cde9987322c8a0c81a325e1ba6159684c"))
+	r.Wants = append(r.Wants, plumbing.NewHash("2b41ef280fdb67a9b250678686a0c3e03b0a9989"))
+	r.Haves = append(r.Haves, plumbing.NewHash("d82f291cde9987322c8a0c81a325e1ba6159684c"))
+
+	c.Assert(r.IsEmpty(), Equals, false)
+
+	r = NewUploadPackRequest()
+	r.Wants = append(r.Wants, plumbing.NewHash("d82f291cde9987322c8a0c81a325e1ba6159684c"))
+	r.Haves = append(r.Haves, plumbing.NewHash("d82f291cde9987322c8a0c81a325e1ba6159684c"))
+
+	c.Assert(r.IsEmpty(), Equals, true)
+}